GPT-5 vs Claude vs Nova on Bedrock: A Production Governance Bake-off

The arrival of advanced AI models like GPT-5.5, GPT-5.4, and Codex on Amazon Bedrock highlights Bedrock's emergence as a central platform for managing cutting-edge AI in enterprise settings. This shift is crucial for organizations in regulated industries, as they now need to ensure effective governance over multiple AI models, maintaining the same level of security and cost management they apply to other AWS services. The comparison and analysis underscore the importance of unified control and compliance strategies in the rapidly evolving AI landscape.